package com.example.study.service;

import com.example.study.dao.User;
import com.example.study.service.impl.UserServiceImpl;
import org.springframework.stereotype.Service;


public interface UserService {

    User getUserByName(String username);

    User getAll();

    void insertUser(User user);

    User getById(String id);

    void isertUser4(User user);
//
//    User setRole();
//
//    User getRole(User user);
}
